<template>
  <view :class="Visible ? 'product-popup open' : 'product-popup close'" @touchmove.stop.prevent="" @click="closePopup">
    <view class="popup-bg"></view>
    <view class="main" v-on:click.stop>
      <view class="header">
        <image :src="form.show_sku.sku_image" mode="aspectFit" class="avt"></image>
        <view class="price">
          ¥
          <text class="num">{{ form.show_sku.product_price }}</text>
          <text class="old-price" v-if="form.show_sku.line_price">¥{{ form.show_sku.line_price }}</text>
        </view>
        <view class="stock">库存：{{ form.show_sku.stock_num }}</view>
        <view class="select_spec">{{ selectSpec }}</view>
        <view class="close-btn" @click="closePopup"><text class="icon iconfont icon-guanbi"></text></view>
      </view>

      <view class="body">
        <!--规格-->
        <view>
          <scroll-view scroll-y="true" class="specs mt20" style="max-height: 600rpx;" v-if="form.specData != null">
            <view class="specs mt20" v-for="(item_attr, attr_index) in form.specData.spec_attr" :key="attr_index">
              <view class="specs-hd p-20-0">
                <text class="f26 gray3">{{ item_attr.group_name }}</text>
                <!-- 							<text class="ml10 red" v-if="form.productSpecArr[attr_index]==null">
                请选择{{item_attr.group_name}}
              </text> -->
              </view>
              <view class="specs-list">
                <button
                    :class="item.checked ? 'btn-checked' : 'btn-checke'"
                    v-for="(item, item_index) in item_attr.spec_items"
                    :key="item_index"
                    @click="selectAttr(attr_index, item_index)"
                >
                  {{ item.spec_value }}
                </button>
              </view>
            </view>
          </scroll-view>
        </view>
        <!--选择数量-->
        <view class="level-box count_choose">
          <text class="key">数量</text>
          <view class="d-s-c">
            <view class="icon-box minus d-c-c" @click="sub()" :class="{ 'num-wrap': !issub }">
              <text class="icon iconfont icon-jian" style="font-size: 20rpx;color: #333333;"></text>
            </view>
            <view class="text-wrap"><input type="text" v-model="form.show_sku.sum" value="" /></view>
            <view class="icon-box plus d-c-c" :class="{ 'num-wrap': !isadd }" @click="add()">
              <text class="icon iconfont icon-jia" style="font-size: 20rpx;color: #333333;"></text>
            </view>
          </view>
        </view>
      </view>
      <view class="btns">
        <button class="confirm-btn" v-if="!clock" @click="confirmFunc(form)" style="background-color: red; color: white">确认</button>
        <button class="confirm-btn" v-else>暂无库存</button>
      </view>
    </view>
  </view>
</template>

<script>
export default {
  data() {
    return {
      /*是否可见*/
      Visible: false,
      /*表单对象*/
      form: {
        detail: {},
        show_sku: {
          sku_image: ''
        }
      },
      /*当前商品总库存*/
      stock: 0,
      /*选择提示*/
      selectSpec: '',
      /*是否打开过多规格选择框*/
      isOpenSpec: false,
      type: '',
      clock: false
    };
  },
  props: ['isPopup', 'productModel'],
  onLoad() {},
  mounted() {},
  computed: {
    /*判断增加数量*/
    isadd: function() {
      return this.form.show_sku.sum >= this.stock || this.form.show_sku.sum >= this.form.detail.limit_num;
    },

    /*判断减少数量*/
    issub: function() {
      return this.form.show_sku.sum <= 1;
    }
  },
  watch: {
    isPopup: function(n, o) {
      if (n != o) {
        this.Visible = n;
        if (!this.isOpenSpec) {
          this.form = this.productModel;
          this.isOpenSpec = true;
          this.initShowSku();
        }
        this.form.type = this.productModel.type;
      }
    },
    'form.specData': {
      handler(n, o) {
        let str = '',
            select = '';
        this.isAll = true;
        if (n) {
          for (let i = 0; i < n.spec_attr.length; i++) {
            if (this.form.productSpecArr[i] == null) {
              this.isAll = false;
              str += n.spec_attr[i].group_name + ' ';
            } else {
              n.spec_attr[i].spec_items.forEach(item => {
                if (this.form.productSpecArr[i] == item.item_id) {
                  select += '"' + item.spec_value + '" ';
                }
              });
            }
          }
          if (!this.isAll) {
            str = '请选择: ' + str;
          } else {
            select = '已选: ' + select;
          }
        }
        this.selectSpec = this.isAll ? select : str;
      },
      deep: true,
      immediate: true
    }
  },
  methods: {
    /*初始化*/
    initShowSku() {
      this.form.show_sku.sku_image = this.form.detail.image[0].file_path;
      this.form.show_sku.product_price = this.form.detail.product_price;
      if (this.form.detail.spec_type == 20) {
        if (this.form.detail.product_price != this.form.detail.product_max_price) {
          this.form.show_sku.product_price = this.form.detail.product_price + '-' + this.form.detail.product_max_price;
        }
      }
      this.form.show_sku.spec_sku_id = 0;
      this.form.show_sku.line_price = this.form.detail.line_price;
      this.form.show_sku.stock_num = this.form.detail.product_stock;
      this.form.show_sku.sum = 1;
      this.stock = this.form.detail.product_stock;
      if (this.form.plus_name == 'advance') {
        this.form.show_sku.product_price = this.form.plus_sku[0].product_price;
        this.form.show_sku.line_price = '';
        this.form.show_sku.sku_image = this.form.plus_sku[0].productSku.image ? this.form.plus_sku[0].productSku.image.file_path : this.form.detail.image[0].file_path;
        this.form.show_sku.stock_num = this.form.plus_sku[0].advance_stock;
        this.stock = this.form.plus_sku[0].advance_stock;
      }
      if (this.form.plus_name == 'seckill') {
        this.form.show_sku.product_price = this.form.plus_sku[0].seckill_price;
        this.form.show_sku.line_price = this.form.plus_sku[0].product_price;
        this.form.show_sku.sku_image = this.form.plus_sku[0].productSku.image ? this.form.plus_sku[0].productSku.image.file_path : this.form.detail.image[0].file_path;
        this.form.show_sku.stock_num = this.form.plus_sku[0].seckill_stock;
        this.stock = this.form.plus_sku[0].seckill_stock;
      }
    },

    /*选择属性*/
    selectAttr(attr_index, item_index) {
      let self = this;
      let items = self.form.specData.spec_attr[attr_index].spec_items;
      let curItem = items[item_index];
      if (curItem.checked) {
        curItem.checked = false;
        self.form.productSpecArr[attr_index] = null;
      } else {
        for (let i = 0; i < items.length; i++) {
          items[i].checked = false;
        }
        curItem.checked = true;
        self.form.productSpecArr[attr_index] = curItem.item_id;
      }
      for (let i = 0; i < self.form.productSpecArr.length; i++) {
        if (self.form.productSpecArr[i] == null) {
          self.initShowSku();
          return;
        }
      }

      // 更新商品规格信息
      self.updateSpecProduct();
    },

    /*更新商品规格信息*/
    updateSpecProduct() {
      let self = this;
      let specSkuId = self.form.productSpecArr.join('_');
      // 查找skuItem
      let spec_list = self.form.specData.spec_list;
      if (self.form.plus_sku != null) {
        spec_list = self.form.plus_sku;
      }
      let skuItem = spec_list.find(val => {
        if (self.form.plus_name) {
          return val.productSku.spec_sku_id == specSkuId;
        } else {
          return val.spec_sku_id == specSkuId;
        }
      });
      if (!skuItem) {
        self.clock = true;
        self.initShowSku();
        return;
      } else {
        self.clock = false;
      }
      if (self.form.plus_name&& !skuItem.spec_form) {
        skuItem.spec_form = skuItem.productSku;
      }
      // 记录spec_sku_id
      // 更新商品价格、划线价、库存
      if (typeof skuItem === 'object') {
        /*保存当前规格*/

        if (self.form.plus_name) {
          self.stock = skuItem[self.form.plus_name + '_stock'];
          if (self.form.show_sku.sum > self.stock) {
            self.form.show_sku.sum = self.stock > 0 ? self.stock : 1;
          }
        } else {
          self.stock = skuItem.spec_form.stock_num;
          if (self.form.show_sku.sum > self.stock) {
            self.form.show_sku.sum = self.stock > 0 ? self.stock : 1;
          }
        }
        self.form.show_sku.spec_sku_id = specSkuId;
        self.form.show_sku.product_price = skuItem.spec_form.product_price;
        self.form.show_sku.line_price = skuItem.spec_form.line_price;
        if (skuItem.spec_form.image_id > 0) {
          self.form.show_sku.sku_image = skuItem.spec_form.image_path;
        } else {
          self.form.show_sku.sku_image = self.form.detail.image[0].file_path;
        }
        self.form.show_sku.stock_num = skuItem.spec_form.stock_num;
        if (self.form.plus_name) {
          self.form.show_sku.product_price = skuItem.product_price;
          if (self.form.plus_name == 'seckill') {
            self.form.show_sku.product_price = skuItem.seckill_price;
          }
          self.form.show_sku.stock_num = skuItem[self.form.plus_name + '_stock'];
          self.form.show_sku.line_price = '';
          self.form.show_sku.sku_image = skuItem.spec_form.image?skuItem.spec_form.image.file_path : self.form.detail.image[0].file_path;
          self.form.show_sku.advance_product_id = skuItem.spec_form.image?skuItem.spec_form.image.file_path : self.form.detail.image[0].file_path
        }
      }
    },

    /*关闭弹窗*/
    closePopup() {
      this.$emit('close', this.form.specData, null);
    },

    /*确认提交*/
    confirmFunc() {
      if (this.form.specData != null) {
        for (let i = 0; i < this.form.productSpecArr.length; i++) {
          if (this.form.productSpecArr[i] == null) {
            uni.showToast({
              title: '请选择规格',
              icon: 'none',
              duration: 2000
            });
            return;
          }
        }
      }
      if (this.form.type == 'card') {
        this.addCart();
      } else {
        this.createdOrder();
      }
    },

    /*加入购物车*/
    addCart() {
      let self = this;
      let product_id = self.form.detail.product_id;
      let total_num = self.form.show_sku.sum;
      let spec_sku_id = self.form.show_sku.spec_sku_id;
      if (self.form.detail.spec_type == 20 && spec_sku_id == 0) {
        uni.showToast({
          title: '请选择属性',
          icon: 'none',
          duration: 2000
        });
        return false;
      }

      self._post(
          'order.cart/add',
          {
            product_id: product_id,
            total_num: total_num,
            spec_sku_id: spec_sku_id
          },
          function(res) {
            uni.showToast({
              title: res.msg,
              duration: 2000
            });
            self.$emit('close', null, res.data.cart_total_num);
          }
      );
    },

    /*创建订单*/
    createdOrder() {
      let product_id = this.form.detail.product_id;
      let product_num = this.form.show_sku.sum;
      let spec_sku_id = this.form.show_sku.spec_sku_id;
      let room_id = '';
      if ((this.room_id != 0) & (this.room_id != '')) {
        room_id = '&room_id=' + this.form.room_id;
      }
      let url = '/pages/order/confirm-order?product_id=' + product_id + '&product_num=' + product_num + '&product_sku_id=' + spec_sku_id + '&order_type=buy' + room_id;
      if (this.form.type == 'deposit') {
        if (this.form.plus_name == 'advance') {
          let skuItem = this.form.detail.advance.sku.find(val => {
            console.log('====val========' + JSON.stringify(val))
            return val.productSku.spec_sku_id == spec_sku_id;
          });
          url =
              '/pages/order/confirm-order?product_id=' +
              product_id +
              '&product_num=' +
              product_num +
              '&product_sku_id=' +
              spec_sku_id +
              '&advance_product_sku_id=' +
              skuItem.advance_product_sku_id +
              '&advance_product_id=' +
              skuItem.advance_product_id +
              '&order_type=deposit';
        }
        if (this.form.plus_name == 'seckill') {
          let skuItem = this.form.detail.secKill.seckillSku.find(val => {
            return val.productSku.spec_sku_id == spec_sku_id;
          });
          url =
              '/pages/order/confirm-order?seckill_product_id=' +
              skuItem.seckill_product_id +
              '&product_num=' +
              product_num +
              '&product_sku_id=' +
              skuItem.productSku.spec_sku_id +
              '&seckill_product_sku_id=' +
              skuItem.seckill_product_sku_id +
              '&order_type=seckill';
        }
      }
      this.gotoPage(url);
    },

    /*商品增加*/
    add() {
      if (this.stock <= 0) {
        return;
      }
      if (this.form.show_sku.sum >= this.stock) {
        uni.showToast({
          title: '数量超过了库存',
          icon: 'none',
          duration: 2000
        });
        return false;
      }
      if (this.form.detail.limit_num > 0 && this.form.show_sku.sum >= this.form.detail.limit_num) {
        uni.showToast({
          title: '数量超过了限购数量',
          icon: 'none',
          duration: 2000
        });
        return false;
      }
      this.form.show_sku.sum++;
    },

    /*商品减少*/
    sub() {
      if (this.stock <= 0) {
        return;
      }
      if (this.form.show_sku.sum < 2) {
        uni.showToast({
          title: '商品数量至少为1',
          icon: 'none',
          duration: 2000
        });
        return false;
      }
      this.form.show_sku.sum--;
    }
  }
};
</script>

<style lang="scss">
.product-popup {
}

.product-popup .popup-bg {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 99;
}

.product-popup .main {
  position: fixed;
  width: 100%;
  bottom: 0;
  // min-height: 200rpx;
  // max-height: 1050rpx;
  background-color: #fff;
  transform: translate3d(0, 980rpx, 0);
  transition: transform 0.2s cubic-bezier(0, 0, 0.25, 1);
  box-sizing: border-box;
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 99;
  border-radius: 12rpx;
}

.product-popup.open .main {
  transform: translate3d(0, 0, 0);
  z-index: 99;
}

.product-popup.close .popup-bg {
  display: none;
}

.product-popup.close .main {
  display: none;
  z-index: -1;
}

.product-popup .header {
  height: 200rpx;
  padding: 40rpx 0 10rpx 250rpx;
  position: relative;
  border-bottom: 1px solid #eeeeee;
}

.product-popup .header .avt {
  position: absolute;
  top: 40rpx;
  left: 30rpx;
  width: 180rpx;
  height: 180rpx;
  border: 2px solid #ffffff;
  background: #ffffff;
  border-radius: 12rpx;
}

.product-popup .header .stock {
  font-size: 26rpx;
  color: #999999;
}

.product-popup .close-btn {
  position: absolute;
  width: 40rpx;
  height: 40rpx;
  top: 40rpx;
  right: 30rpx;
}

.product-popup .price {
  @include font_color('price_color');
  font-size: 24rpx;
}

.product-popup .price .num {
  padding: 0 4rpx;
  font-size: 40rpx;
}

.product-popup .old-price {
  margin-left: 10rpx;
  font-size: 26rpx;
  color: #999999;
  text-decoration: line-through;
}

.product-popup .body {
  padding: 20rpx 30rpx 39rpx 30rpx;
  // max-height: 600rpx;
  overflow-y: auto;
}

.product-popup .level-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.product-popup .level-box .key {
  font-size: 24rpx;
  color: #999999;
}

.product-popup .level-box .icon-box {
  width: 48rpx;
  height: 40rpx;
  background: #e0e0e0;
}

.product-popup .num-wrap .iconfont {
  color: #666;
}

.product-popup .num-wrap.no-stock .iconfont {
  color: #cccccc;
}

.product-popup .level-box .text-wrap {
  margin: 0 4rpx;
  height: 60rpx;
  border: none;
  background: #ffffff;
}

.product-popup .level-box .text-wrap input {
  padding: 0 10rpx;
  height: 60rpx;
  line-height: 60rpx;
  width: 80rpx;
  font-size: 32rpx;
  text-align: center;
}

.specs .specs-list {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
}

.specs .specs-list button {
  margin-right: 10rpx;
  margin-bottom: 10rpx;
  font-size: 24rpx;
}

.specs .specs-list button:after,
.product-popup .btns button,
.product-popup .btns button:after {
  height: 88rpx;
  line-height: 88rpx;
  border: 0;
  border-radius: 0;
  margin-bottom: 55rpx;
}

.product-popup .btns .confirm-btn {
  width: 710rpx;
  height: 80rpx;
  @include background_linearmore('cart_right1', 'cart_right2', 'right_deg', 0%, 100%);
  border-radius: 40rpx;
  margin: 0 auto;
  margin-bottom: 55rpx;
  color: #ffffff;
  line-height: 80rpx;
  font-size: 32rpx;
}

.btn-checked {
  border: 1rpx solid #f6220c;
  @include border_color('background_color');
  border-radius: 6px;
  @include font_color('font_color');
  font-size: 26rpx;
  background-color: #ffffff;
}

.btn-checke {
  border: 1rpx solid #d9d9d9;
  border-radius: 6rpx;
  font-size: 26rpx;
  color: #333333;
  background-color: #ffffff;
}
</style>
